Renamed lighting shader to default, shoehorned in glsl 3.30 support for Intel on Linux, removed duplicate handleGlError methods, added OpenGL and GLU to Object namespace, removed redundant includes for OpenGL and GLU, VBO and VAO now render (all be it incorrectly)

lib/common_methods.rb

@@ -42,5 +42,14 @@ class IMICFPS
     def fill(color = Gosu::Color::WHITE)
       draw_rect(0, 0, window.width, window.height, color)
     end
+
+    def handleGlError
+      e = glGetError()
+      if e != GL_NO_ERROR
+        $stderr.puts "OpenGL error detected by handler at: #{caller[0]}"
+        $stderr.puts "    #{gluErrorString(e)} (#{e})\n"
+        exit
+      end
+    end
   end
 end